import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '@/components/Login.vue'
import Home from '@/components/Home.vue'
import Welcome from '@/components/Welcome.vue'
import Users from '@/components/user/Users.vue'
import Rights from '@/components/power/Rights.vue'
import Roles from '@/components/power/Roles.vue'
import Cate from "@/components/goods/Cate.vue"
import Params from '@/components/goods/Params.vue'
import GoodsList from '@/components/list/List.vue'
import Add from '@/components/list/children/Add.vue'
import Order from '@/components/order/Order.vue'
import Report from '@/components/report/Report.vue'


Vue.use(VueRouter)

const routes = [
    {
      path:'/',redirect:'/login', 
    },
    {
      path:'/login',component:Login
    },
    {
      path:'/home',component:Home,
      redirect:'/welcome',
      children:[
        {
          path:'/welcome',component:Welcome
        },
        {
          path:'/users',component:Users
        },
        {
          path:'/rights',component:Rights
        },
        {
          path:'/roles',component:Roles
        },
        {
          path:'/categories',component:Cate
        },
        {
          path:'/params',component:Params
        },
        {
          path: '/goods',
          component: GoodsList
        },
        {
          path: '/goods/add',
          component: Add
        },
        {
          path:'/orders',component:Order
        },
        {
          path:'/reports',component:Report
        },
      ]
    },

]

const router = new VueRouter({
  routes
})

//挂在路由守卫 

router.beforeEach((to,from,next)=>{
  //to 将要访问的路径
  //from 从哪个路径跳转而来
  //next 一个函数 表 示放行
  if(to.path === '/login')return next()
  //从sessionStorage中获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if(!tokenStr)return next('/login')
  next()
})


export default router
